Question

If mammalian ovum fails to get fertilised, which one of the following is unlikely ? 

(a) Corpus luteum will disintegrate 

(b) Estrogen secretion further decreases 

(c) Primary follicle starts developing 

(d) Progesterone secretion rapidly declines

Answer 1

Correct option (b) Estrogen secretion further decreases 

Explanation

If mammalian ovum fails to get fertilized, the estrogen secretion does not decrease further, while corpus luteum will disintegrate. Primary follicle starts developing and progesterone secretion rapidly declines.